21378555456

素因数分解:

$2^6\times 3^1\times {\mathrm{439}}^1\times {\mathrm{253637}}^1$

素因数の和:254091

約数の個数: 56

約数和(自身を含む): 56693165760

約数和(自身を除く): 35314610304

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 192, 439, 878, 1317, 1756, 2634, 3512, 5268, 7024, 10536, 14048, 21072, 28096, 42144, 84288, 253637, 507274, 760911, 1014548, 1521822, 2029096, 3043644, 4058192, 6087288, 8116384, 12174576, 16232768, 24349152, 48698304, 111346643, 222693286, 334039929, 445386572, 668079858, 890773144, 1336159716, 1781546288, 2672319432, 3563092576, 5344638864, 7126185152, 10689277728, 21378555456]

約数ペア:

[(1, 21378555456), (2, 10689277728), (3, 7126185152), (4, 5344638864), (6, 3563092576), (8, 2672319432), (12, 1781546288), (16, 1336159716), (24, 890773144), (32, 668079858), (48, 445386572), (64, 334039929), (96, 222693286), (192, 111346643), (439, 48698304), (878, 24349152), (1317, 16232768), (1756, 12174576), (2634, 8116384), (3512, 6087288), (5268, 4058192), (7024, 3043644), (10536, 2029096), (14048, 1521822), (21072, 1014548), (28096, 760911), (42144, 507274), (84288, 253637)]